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Jan 27,2021
Overview ZDDQ Active Power Filter have exported to many countries all over the world. These filters are widely used in a number of industries such as oil & gas, manufacturing, water/wastewater, metal and mining, and paper and pulp. A harmonic filter is used to mitigate harmonics created by non-linear loads in electrical equipment. Classification Ⅰ. Product Insights Based on product type, ...
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Feb 18,2021
To all clients and friends, 2021 is Chinese Niu Year and Happy Chinese New Year. Best wishes to all our friends and clients from all over the world. Happy new year 2021 wishes for friends families. Warmest thoughts and best wishes for a Happy New Year. May peace, love, and prosperity follow you always. We have resume work On Feb 18th. Going on supporting power quality solutions Low voltage capacit...
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Feb 27,2021
Introduction to Active Harmonic Filter Suitable to be fitted within large installation systems, Active Harmonic Filters are used to eliminate, or at least mitigate, harmonics experienced from power received from the Australian national grid. The electricity which is delivered to a property is not necessarily ‘clean’ and therefore properties can experience harmonics. Harmonic currents lead to power...
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Mar 04,2021
ZDDQ Active Harmonic Filter Active Harmonic Filter is a perfect comprehensive solution to power quality problems with power grid such as harmonic wave, reactive power, and three-phase load unbalance. ZD-AHF-4 active harmonic filter is connected in parallel in 380V~456V power grid, to detect the harmonic wave in power grid in real time, generate the reverse-phase compensation current through the co...
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Mar 11,2021
Basic Datas of Harmonics and VFD Harmonic Distortion Harmonic Distortin is a measure of the amount of deviation from a pure sinusoidal wave form that can be caused by a non-linear load (a VFD is considered a non-linear load because it only draws current from the power line as required). Distorted Waveform Distorted Waveform = fundamental (50Hz sinusoidal waveform) + multiples of the fundamental fr...
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Mar 19,2021
Problems of Line Side Harmonics The two main line side harmonic concerns are the problems caused in the facility where they are being generated and the degree of harmonic infection passed to neighboring facilities. The degree of impact for either area depends on the number, size and frequency of use of all linear and non-linear loads . Mainly introduce harmoncs within a facility here. Within a fac...
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Mar 30,2021
Why harmonics analysis? When a voltage and/or current waveform is distorted, it causes abnormal operating conditions in a power system such as: Voltage Harmonics can cause additional heating in induction and synchronous motors and generators. Voltage Harmonics with high peak values can weaken insulation in cables, windings, and capacitors. Voltage Harmonics can cause malfunction of different elect...
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Jun 07,2021
Energy consumption pattern The energy pattern given in below table is helpful in understanding the way energy is used in a foundry and helps to control energy cost by identifying areas where waste can occur and where scope for improvement may be possible. It is observed that melting consumes a major portion of total energy consumed. SN Sections Energy Consumption 1 Melting(Furnance) 70% 2 Molding ...
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Dec 04,2021
ZDDQ Active Harmonic Filter Active harmonic filter is connected in parallel with non-linear loads, and uses one set of CT to detect the load current. It calculates each order harmonic current by FFT algorithms in its DSP microchips, and then generates a compensating current with the same amplitude but opposite phase angles to the detected harmonic current, which cancels out the original load harmo...
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Dec 16,2021
ZDDQ static var generator connects a self-commutated bridge circuit through a reactor or directly connected in parallel to the grid to adjust the phase and amplitude of the output voltage on the AC side of the bridge circuit, or directly control its AC side current so that the circuit absorbs or Send out the reactive power that meets the requirements to achieve the purpose of dynamic reactive powe...
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Feb 18,2022
100kVAr SVG sample to Saudi Arabia. ZD-SVG Static Var Generator is a new generation of dynamic reactive power compensation solution. It is a semiconductor based switching technology using IGBT devices and DSP+FPGA control based on the Flexible AC Transmission System (FACTS) concept. Reactive power compensation has become more challenging in modern facilities due to presence of harmonics load and l...
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Mar 09,2022
Thanks for our friend from Korea. 300A Active Power Filter have been shipped to Korea. Welcome to talk with us for any power quality project, ZDDQ provide efficient, reliable, competitive power quality products, such as Active Harmonic Filter, Static Var Generator, Capacitor Bank and Statcom
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Apr 15,2022
Thanks for professional job from our clients' team and our technical team. This is our first AHF device installed in Korea and have so perfect technical performance. Welcome to view our AHF,SVG,Statcom product.
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Apr 20,2022
Active Harmonic Filter in Food Industry(Pakistan) Our client of Food Factory is a famous and one of the biggest factory in Pakistan. Thanks for Mr Abudal's professional job. And the AHF have achieve a good effect till now. We have finished the installation and commissioning the Active Harmonic Filter at site. The THDI has reduced to 3% from 60%.
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May 10,2022
CE is approved by Italy Lab. Active Power Filter Active Harmonic Filter Static Var Generator
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Aug 03,2022
Energy demand is anticipated to be double by 2030. CO2 emissions should be halved to avoid global warming acceleration. Both issues place a major challenge on the generating capacity of all utilities, and on us as electricity end users. Energy efficiency becomes more than a cost issue today. It becomes part of the journey to ensure energy availability and preserve the environment in the future. Ma...
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Aug 09,2022
ZDDQ-SVG Static Var Generator is an electronic reactive power compensation system, for both capacitive and inductive power. It has the same operating principle as an active filter; the SVG injects a current in the opposite direction to counteract the installation's non-useful power (inductive and capacitive), thus ensuring that the target cosϕ is achieved. ZDDQ SVG instantly compensates and adjust...
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Sep 29,2022
The ZDDQ SVG module we exported to Colombia in mid-September has been put into use and installed in an airport power distribution room somewhere in Bogota, and the compensation effect is good. The two modules are: 440V 60Hz 40kvar(50A) SVG Module and 440V 60Hz 80kvar(100A) SVG Module.
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